Roberto Duran vs. Sam Marsonek — Career Comparison

On the career pitching numbers, Sam Marsonek posted a stronger line than Roberto Duran. Sam Marsonek posted stronger numbers in ERA (0 vs 6.58) and WHIP (1.500 vs 1.846). By the career numbers, Sam Marsonek had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.